diff hgext/extdiff.py @ 37211:2208149c4b8e

extdiff: document that it copies modified files back to working directory

Differential Revision: https://phab.mercurial-scm.org/D2976

--- a/hgext/extdiff.py	Fri Mar 30 13:39:06 2018 -0700
+++ b/hgext/extdiff.py	Fri Mar 30 12:16:46 2018 -0700
@@ -13,6 +13,11 @@
 non-option arguments: paths to directories containing snapshots of
 files to compare.
 
+If there is more than one file being compared and the "child" revision
+is the working directory, any modifications made in the external diff
+program will be copied back to the working directory from the temporary
+directory.
+
 The extdiff extension also allows you to configure new diff commands, so
 you do not need to type :hg:`extdiff -p kdiff3` always. ::